12249

Potassium chromate

puriss., ≥99%

• Fórmula linear: K₂CrO₄
• Número CAS: 7789-00-6
• Peso molecular: 194.19
• Número CE: 232-140-5
• Número MDL: MFCD00011368
• Código UNSPSC: 12352300
• ID de substância PubChem: 329749664
• NACRES: NA.55

Propriedades

• densidade de vapor: 6.7 (vs air)
• grau: puriss.
• Ensaio: ≥99%
• forma: powder or crystals
• perda: ≤0.5% loss on drying, 105 °C
• pH: 8.5-10.0 (20 °C, 5%)
• pf: 971 °C (lit.)
• traços de ânion: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤200 mg/kg
• traços de cátion: Ca: ≤50 mg/kg
• cadeia de caracteres SMILES: [K+].[K+].[O-][Cr]([O-])(=O)=O
• InChI: 1S/Cr.2K.4O/q;2*+1;;;2*-1
• chave InChI: XMXNVYPJWBTAHN-UHFFFAOYSA-N

Descrição

Aplicação

• Analysis of the Effects of Cr(VI) Exposure on mRNA Modifications.: This research investigates the impact of potassium chromate exposure on mRNA modifications using sophisticated analytical chemistry techniques, revealing insights into the molecular mechanisms of chromium toxicity and its implications for human health (Chen et al., 2019).
• Determination of urine oxalate level in rats with renal calcium oxalate calculus by high-performance liquid chromatography.: Utilizing potassium chromate in the chromatographic analysis, this study presents a method for accurately measuring urine oxalate levels, crucial for research on kidney stone prevention (Cao et al., 2015).
• Shotgun proteomic analysis unveils survival and detoxification strategies by Caulobacter crescentus during exposure to uranium, chromium, and cadmium.: Incorporates potassium chromate to study microbial resistance mechanisms through proteomic profiling, providing valuable data for bioremediation strategies (Yung et al., 2014).
• Analytical study of modern paint layers on metal knight shields: the use and effect of titanium white.: Features methods where potassium chromate aids in the identification of chemical components in cultural heritage conservation studies (Lauridsen et al., 2014).

Informações de segurança

• Pictogramas: GHS08,GHS07,GHS09
• Palavra indicadora: Danger
• Frases de perigo: H315,H317,H319,H335,H340,H350i,H410
• Declarações de precaução: P202 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Classificações de perigo: Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• Órgãos-alvo: Respiratory system
• Código de classe de armazenamento: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• Classe de risco de água (WGK): WGK 3
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable